package com.example.demo;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class AddNum {
    public static void main(String[] args) {
        int varNum = 88;
        varNum = varNum ++;
        System.out.println(varNum);

        Object[] obj = new Object[]{0,1};

        Map<String,Object> map = new HashMap<>();
        map.put("0",obj[0]);


        List<Map<String,Object>> list = new ArrayList<>(2);
        list.add(0,map);
        list.set(0,map);

        System.out.println(list);
    }
}
